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@firsttimecrypto

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Happy WOMENS day😇 😇 😇

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Have a wonderful day filled with joy, positivity, and great moments!😊 😊 😊

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😆 😅 😆 🤣

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https://medium.com/@hammad.ai/when-you-get-started-as-a-junior-developer-d2c65057b4bf I think it is very helpful for the junior devs

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Best Design Patterns for Building an API in React with TypeScript When designing an API in a React + TypeScript project, you should aim for scalability, maintainability, and type safety. Below are the best practices and architectural patterns for API integration in a React + TypeScript project. 1. Use Axios for API Calls Instead of the built-in fetch, Axios is preferred due to better error handling and response transformation. Install Axios sh Копировать Редактировать npm install axios Create an Axios Instance (api.ts) typescript Копировать Редактировать import axios from "axios"; const API_BASE_URL = "https://api.example.com"; export const api = axios.create({ baseURL: API_BASE_URL, timeout: 10000, headers: { "Content-Type": "application/json", }, });

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Installing Solana Web3.js To get started with Solana Web3.js, install the library via npm or yarn: sh Копировать Редактировать npm install @solana/web3.js # or yarn add @solana/web3.js Connecting to the Solana Blockchain To interact with Solana, you need to connect to a network (Mainnet, Testnet, or Devnet). javascript Копировать Редактировать const web3 = require('@solana/web3.js'); // Connect to a Solana cluster (Devnet, Testnet, or Mainnet) const connection = new web3.Connection(web3.clusterApiUrl('devnet'), 'confirmed'); console.log("Connected to Solana Devnet"); Creating a Solana Wallet You can generate a new Solana wallet (keypair) programmatically. javascript Копировать Редактировать const keypair = web3.Keypair.generate(); console.log("Public Key:", keypair.publicKey.toBase58()); console.log("Secret Key:", keypair.secretKey); Note: The secret key should be stored securely and never shared.

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Solana is a high-performance blockchain designed for scalability, low fees, and fast transactions. Solana Web3 refers to the tools and libraries used to interact with the Solana blockchain, primarily through the @solana/web3.js library in JavaScript. This guide covers the basics of Solana Web3 development, from setting up an environment to interacting with the blockchain. 1. What is Solana Web3? Solana Web3 is a collection of libraries and APIs that allow developers to build decentralized applications (dApps), interact with smart contracts, and manage Solana accounts and transactions. The primary library used is: @solana/web3.js → A JavaScript SDK for interacting with Solana’s blockchain. Other tools include: Solana CLI → Command-line interface for managing wallets and transactions. Anchor → A framework for building Solana smart contracts (programs) using Rust. Phantom & Solflare → Popular Solana wallets for dApp integration.

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Ruby Programming Language: An Overview Ruby is a dynamic, interpreted, object-oriented programming language known for its simplicity, productivity, and developer-friendly syntax. Created by Yukihiro "Matz" Matsumoto in 1995, Ruby emphasizes readability and elegance, making it a popular choice for web development, scripting, and automation. Key Features of Ruby Object-Oriented: Everything in Ruby is an object, including numbers and functions. Dynamic Typing & Duck Typing: No need to specify variable types. Uses "duck typing" (if it behaves like a type, it's treated as one). Interpreted Language: Runs without compilation, making development faster. Readable & Concise Syntax: Ruby's syntax is designed to be close to natural language. Garbage Collection: Automatic memory management helps optimize performance. Metaprogramming: Ruby allows modification of code at runtime. Huge Ecosystem & Community: Includes RubyGems (package manager) and Rails framework.

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Future of Cryptography Post-Quantum Cryptography: Development of algorithms resistant to quantum computing attacks. Homomorphic Encryption: Allows computation on encrypted data without decrypting it, enabling secure processing in the cloud. Zero-Knowledge Proofs: Enables proving knowledge of information without revealing it, useful in privacy-preserving applications. Blockchain and Decentralized Systems: Cryptography will continue to play a pivotal role in blockchain-based solutions.

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Applications of Cryptography in IT Data Encryption: Protects sensitive data (e.g., personal information, financial details) during storage and transmission. Secure Communication: Ensures privacy in protocols like HTTPS, VPNs, and email encryption (e.g., PGP). Authentication: Uses digital certificates (PKI) to verify identities in online systems. Blockchain Technology: Cryptographic techniques like hashing and digital signatures ensure the immutability and security of blockchain transactions. Digital Signatures: Verifies the authenticity and integrity of digital documents or software. Password Protection: Hashing algorithms secure stored passwords in databases. Secure Software Updates: Validates the authenticity of updates using cryptographic signatures.

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